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      <div><h1><span class="kind-property">charset</span> property</h1></div>


        <section id="getter">
        
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          <span class="returntype"><a href="dart-core/String-class.html">String</a></span>
                  <span class="name ">charset</span>
          
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                <section class="desc markdown">
          <p>The charset parameter of the media type.</p>
<p>If the parameters of the media type contains a <code>charset</code> parameter
then this returns its value, otherwise it returns <code>US-ASCII</code>,
which is the default charset for data URIs.
If the value contain non-ASCII percent escapes, they are decoded as UTF-8.</p>
<p>If the MIME type representation in the URI text contains URI escapes,
they are unescaped in the returned string.</p>
        </section>
                <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          <pre class="language-dart"><code class="language-dart">String get charset {
  int parameterStart = 1;
  int parameterEnd = _separatorIndices.length - 1; &#47;&#47; The &#39;,&#39; before data.
  if (isBase64) {
    &#47;&#47; There is a &quot;;base64&quot; separator, so subtract one for that as well.
    parameterEnd -= 1;
  }
  for (int i = parameterStart; i &lt; parameterEnd; i += 2) {
    var keyStart = _separatorIndices[i] + 1;
    var keyEnd = _separatorIndices[i + 1];
    if (keyEnd == keyStart + 7 &amp;&amp; _text.startsWith(&quot;charset&quot;, keyStart)) {
      return _Uri._uriDecode(
          _text, keyEnd + 1, _separatorIndices[i + 2], utf8, false);
    }
  }
  return &quot;US-ASCII&quot;;
}</code></pre>
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